Index. Poros Building. Latrine I. Latrine II. Steps at Southeast Corner. Plateia. Section. Road North-South. Northwest-Southeast. Saucer Grave. Wells. Drains. Drain I; See Latrine I Channel (for Pipe) ... Ζ-18 3517, 3518 ... Drain 4; See Latrine II ... Stone Drain ... Stoa Drain (equals Stone Drain, Period II)